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Title: Research progress on real-time measurement of soil attributes for precision agriculture

Author
item HE, DONGJIAN - Northwest Agriculture And Forestry University
item Yang, Chenghai
item YANG, QING - Northwest Agriculture And Forestry University
item Lan, Yubin
item YANG, FUZENG - Northwest Agriculture And Forestry University
item ZHAO, YOULIANG - Northwest Agriculture And Forestry University

Submitted to: Transactions of the Chinese Society of Agricultural Engineering
Publication Type: Peer Reviewed Journal
Publication Acceptance Date: 5/20/2012
Publication Date: 6/5/2012
Citation: He, D., Yang, C., Yang, Q., Lan, Y., Yang, F., Zhao, Y. 2012. Research progress on real-time measurement of soil attributes for precision agriculture. Transactions of the Chinese Society of Agricultural Engineering. 28(7):78-85.

Interpretive Summary: This study analyzed the needs for real-time measurement of soil attributes and reviewed major soil attributes to be measured in soil testing and commonly-used testing methods, including traditional chemical analysis, methods based on electro-optical dispersion and electrochemical sensors, and indirect measurement of soil electrical conductivity. More emphasis was given to the review of the basic principles, laboratory studies, prototype development, and field experiments of near-infrared spectroscopic sensors. The described methods and prototype instruments and the proposed scientific problems to be solved in this paper will provide important guidance and will be a useful addition to the literature for research and development of real-time analyzer for soil attributes.

Technical Abstract: In order to develop a real-time analyzer for soil attributes, this study analyzed the needs for real-time measurement of soil attributes and reviewed major soil attributes to be measured in soil testing and commonly-used testing methods, including traditional chemical analysis, methods based on electro-optical dispersion and electrochemical sensors, and indirect measurement of soil electrical conductivity. More emphasis was given to the review of the basic principles, laboratory studies, prototype development, and field experiments of near-infrared spectroscopic. The described methods and prototype instruments and the proposed scientific problems to be solved in this paper will be useful and provide important guidance for research and development of real-time analyzers for soil attributes.